CH499902A - Safety device for electrical installation - Google Patents

Safety device for electrical installation

Info

Publication number
CH499902A
CH499902A CH436769A CH436769A CH499902A CH 499902 A CH499902 A CH 499902A CH 436769 A CH436769 A CH 436769A CH 436769 A CH436769 A CH 436769A CH 499902 A CH499902 A CH 499902A
Authority
CH
Switzerland
Prior art keywords
safety device
electrical installation
installation
electrical
safety
Prior art date
Application number
CH436769A
Other languages
French (fr)
Inventor
Wajl Leo
Original Assignee
Wajl Leo
Johananoff Samuel Cohen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wajl Leo, Johananoff Samuel Cohen filed Critical Wajl Leo
Publication of CH499902A publication Critical patent/CH499902A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/14—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to occurrence of voltage on parts normally at earth potential
CH436769A 1968-03-26 1969-03-24 Safety device for electrical installation CH499902A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL2969968 1968-03-26
IL2813168 1968-03-26

Publications (1)

Publication Number Publication Date
CH499902A true CH499902A (en) 1970-11-30

Family

ID=26320432

Family Applications (1)

Application Number Title Priority Date Filing Date
CH436769A CH499902A (en) 1968-03-26 1969-03-24 Safety device for electrical installation

Country Status (9)

Country Link
US (1) US3612951A (en)
BE (1) BE730401A (en)
CH (1) CH499902A (en)
DE (1) DE1915455A1 (en)
FR (1) FR2004768A1 (en)
GB (1) GB1267862A (en)
LU (1) LU58298A1 (en)
NL (1) NL6904204A (en)
SE (1) SE369128B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117196A (en) * 1982-03-03 1983-10-05 Ronald Charles Adey Detecting faults in a multi phase AC supply
IT1274865B (en) * 1994-07-29 1997-07-25 Alfredo Albanelli SAFETY APPARATUS FOR ELECTRICAL SYSTEMS WITHOUT UPRIGHT COLUMN.
AT510534A1 (en) * 2010-10-04 2012-04-15 Eaton Gmbh DETECTOR UNIT FOR DETECTING A NEUTRAL LINE INTERRUPTED IN A SYMMETRIC MULTI-PHASE POWER NETWORK
AT510817A3 (en) * 2012-03-09 2013-04-15 Eaton Ind Austria Gmbh Residual Current Device
EP4149343A1 (en) 2020-05-14 2023-03-22 Centre National de la Recherche Scientifique (CNRS) Analysis of eye movements in 3d real space in direction and depth
WO2022074130A1 (en) 2020-10-07 2022-04-14 Centre National De La Recherche Scientifique (Cnrs) Functional differential exploration and rehabilitation of binocular motor coordination in individuals suffering from learning disorders
WO2022074132A1 (en) 2020-10-07 2022-04-14 Centre National De La Recherche Scientifique (Cnrs) Functional differential exploration and rehabilitation of binocular motor coordination in individuals suffering from vertigo

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB405614A (en) * 1931-07-27 1934-01-29 Gen Electric Improvements in and relating to protective arrangements for electric apparatus
US2114687A (en) * 1935-09-17 1938-04-19 George F Schmitt Safety electrical power unit
US3287603A (en) * 1963-10-23 1966-11-22 Peter A Sosnoski Ground fault protective circuitry
US3356939A (en) * 1964-03-25 1967-12-05 Fed Pacific Electric Co Ground leakage detection apparatus for ungrounded systems including toroidal core detector means
US3273018A (en) * 1964-09-15 1966-09-13 Gen Electric Fast action current limiting circuit employing release of stored energy to initiate current limiting action
FR1494065A (en) * 1965-05-10 1967-09-08 Const De Vaux Andigny Atel Detector-amplifier for low level signals and devices with application
US3422314A (en) * 1966-05-25 1969-01-14 Raymond H Legatti Protective circuit

Also Published As

Publication number Publication date
DE1915455A1 (en) 1969-11-13
SE369128B (en) 1974-08-05
FR2004768A1 (en) 1969-11-28
LU58298A1 (en) 1969-07-15
NL6904204A (en) 1969-09-30
US3612951A (en) 1971-10-12
BE730401A (en) 1969-09-01
GB1267862A (en) 1972-03-22

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Legal Events

Date Code Title Description
PL Patent ceased